NPPES file of Aug 9, 2026

Sarah Samimi Field, MD

Allergy Physician · Orange, CA

Sarah Samimi Field, MD is an allergy physician with a practice address in Orange, California, and NPI 1053532366, issued on May 2, 2007. Check the license (California A121800, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053532366
Name
Sarah Samimi Field
Credential
MD
Primary taxonomy
Allergy Physician 207KA0200X
License numbers
A121800 CA
2009007669 MO
Self-reported in NPPES; status is on the state search
Practice location
725 W LA Veta Ave, Orange, CA 92868
Phone
(714) 633-6363
Enumerated
May 2, 2007
Record last updated
Sep 24, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20121024000233); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 725 W LA Veta Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas Blair, INTERNAL MEDICINEInternal Medicine Physician1417053422
  2. Almaz Borjoev, MDInternal Medicine Physician1518454339
  3. Suruami BravoCase Manager/Care Coordinator1295618007
  4. David Chamberlin, MDUrology Physician1205861994
  5. Veronica McNamara, FNPFamily Nurse Practitioner1093345381
  6. Priya Shah, M.D.Internal Medicine Physician1316129109

Verify Sarah Samimi Field in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121800
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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78% fewer Medicare Part D claims than the average allergy physician in 2024

165 Medicare Part D claims for 26 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Sarah Field165
  2. Specialty average750

Most prescribed

  1. Albuterol Sulfate Hfa20 claims
  2. Cuvitru20 claims
  3. Montelukast Sodium17 claims
  4. Budesonide-Formoterol Fumarate11 claims
  5. Symbicort11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $950.55

34 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Field$950.55
  2. Specialty average$9,080.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Childrens Hospital OF Orange CountyOrange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sarah Samimi Field among 157 allergy physician records in California

Sarah Samimi Field, MD is one of 157 allergy physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 69% of them.

  • NPI issued2007 · 69% of these records are older, 17% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2004 · median 1992 among the 82 with a school on file
  • Record last updated2012 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy Physician providers in California

There are 157 allergy physician records in California.

The 8 allergy physician records with the nearest ZIP codes

  1. Yvonne Hsieh, M.D.Yorba Linda, CA 928861659570174
  2. Roger Nguyen, M.DGarden Grove, CA 928441982625430
  3. Susan Cocke, MDBrea, CA 928211861540775
  4. Ann Mighell, MDAnaheim, CA 928071487725453
  5. Richard Roth, MDAnaheim, CA 928071578634499
  6. Chittur Easwaran, M.DAnaheim, CA 928041750314993
  7. Sanjiv Verma, M.D.Ventura, CA 930031437120656
  8. Bruce Friedman, MDFountain Valley, CA 927081457345225

Common questions

What is Sarah Samimi Field, MD's NPI number?

Sarah Samimi Field, MD's National Provider Identifier (NPI) is 1053532366, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Samimi Field, MD located?

The NPPES record lists a practice address at 725 W LA Veta Ave, Orange, CA, 92868. Phone: (714) 633-6363. Providers update this record themselves, so call before visiting.

How can I verify Sarah Samimi Field, MD's license?

NPPES lists California license number A121800, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Samimi Field, MD prescribe under Medicare Part D?

In 2024, Sarah Samimi Field, MD had 165 Medicare Part D claims for 26 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.